Math, asked by mahiKatiyar, 2 months ago

1-if the area is 3 x cm square make an equation and find x
2-if the perimeter is 40 cm make an equation and find x

Answers

Answered by dhanashrishende

1

Answer:

area of rectangle = l*b =8(x-5) =8x-40 given area is 3x cm sq so 8x-40=3x 8x- 3x=40 5x=40 so x=8 if perimeter is 40

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